<!DOCTYPE html>
<html>
<head>
    <title>Test HTML Document</title>
</head>
<body>
    <h1>HTML Test Document</h1>
    <p>This is a test HTML document with <strong>bold</strong> and <em>italic</em> text.</p>
    <ul>
        <li>Item 1</li>
        <li>Item 2</li>
        <li>Item 3</li>
    </ul>
    <blockquote>
        <p>This is a blockquote for testing HTML to other format conversions.</p>
    </blockquote>
</body>
</html>
